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Whole House Generators

Whole-House Generator Installation in Portland

Backup Power That Keeps Multnomah & washington County Homes Running

Think back to the last time the power went out for more than a few hours. The fridge went quiet, the furnace stopped, the phone charger blinked off, and you started doing math about how long the food would last. In Portland, ice storms and windstorms regularly take down power lines, and the longest outages leave households in the dark for days.

A whole-house generator changes that experience. Sun Glow provides whole-house generator installations in Portland for Oregon homeowners, and our licensed electricians handle the gas connection and the transfer switch, and we stand behind the work with warranties. We install Honeywell standby generators sized to your home, and we service units installed by others, so an older generator stays ready. Call us, and you can count on your home to keep its glow when the neighborhood goes dark.

Call (971) 328-4862 or complete our online form to request a free estimate for whole-house generator installation in Portland.

Generator Installers Who Get Your Home Ready Before the Storm

A generator is a big purchase and a long-term piece of your home's safety, so who installs it matters as much as which unit you buy. Sun Glow is a family-owned company that has served the Portland area since 1972, and our licensed electricians have spent decades wiring homes and backup systems across Multnomah County. On a generator job, the crew that sizes the system is the crew that installs it and stands behind it.

Here is what you get when you choose our generator crew:

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Glowing Testimonials

4.9 Stars from 1,600+ Reviews
  • SunGlow gave me expert-level service at a fair price, and their honesty stood out just as much as their skill.
    “Highly recommend SunGlow Heating and Cooling to anyone looking for a contractor who knows what they're doing and won't take advantage of you, whether you're spending money with them or not.”
    - Jarrod S.
  • Great working with SunGlow, highly recommended!
    “Last night had AC issue & technician came at 8:30 PM & stayed & worked in the dark till 10:30 PM.”
    - Dana D.
  • Respectful, Delightful, Informative, and Very Pleasant
    “We settled on a unit and he was able to arrange to have it installed before company comes. A total 5 star experience thanks to Arin!”
    - Jodi L.
  • So polite & considerate. I’d recommend them to everyone! I’d give the 20 stars if I could!
    “Sun Glow went way above & beyond for us! When they discovered the old unit couldn’t be fixed they scheduled installation of a new unit & went back to the shop to bring me a floor model ac to get me by until the installation.”
    - Just Joy
  • Consistently Excellent Every Time!
    “Most recently, Jarrod Williams handled our gas line installation—he was professional, easy to work with, and made the whole process smooth and stress-free.”
    - Christopher R.
  • Excellent service from Shawn!
    “The serviceman called me, let me know he was on his way etc. and easily figured out the issue and fixed it fast.”
    - Justin J.D.
  • I would gladly recommend Jose to anyone looking for a skilled and trustworthy installer.
    “The quality of his work was outstanding, and everything was left clean and organized when the job was finished.”
    - Clee F.
  • Fantastic Service!
    “Even though I was his last client of the day, he didn't rush at all and took his time performing a thorough maintenance check.”
    - Sean B.
  • Kind, Professional, Knowledgeable, and Did a Great Job
    “I felt comfortable with him in and around my home with my children. It was so nice to hear him speak so positively about the company and the great things the company does for its employees too!”
    - Justina C.

Portland Whole-House Generator FAQ

What Size Generator Does My Portland Home Need?

The right size depends on what you want to run, because a heat pump, an electric range, and a well-stocked workshop each add real load. Our electricians add up those loads and choose a unit that carries them with room to spare. Backing up the whole house takes a bigger unit, while backing up the essentials costs less, and we show you each option.

Can a Generator Run on Natural Gas After an Earthquake?

Natural gas keeps a generator running through ice storms and windstorms, but utilities may shut off gas after a major earthquake. Some Portland families who worry about the Cascadia fault choose propane, which lets them store their own fuel. We talk through natural gas and propane and recommend the one that fits your concerns.

Do I Need a Permit for a Whole-House Generator in Portland?

Yes, a generator installation needs electrical and gas permits and inspections through your city or county, and the pad has to meet clearance rules for windows and property lines. We pull the permits and schedule the inspections as part of the job. That paperwork protects you when you sell the house or file an insurance claim.

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Roaring Great Reasons to Choose Sun Glow

  • Energy Efficiency & Future-Focused Solutions
    As Oregon continues advancing energy regulations and electrification initiatives, Sun Glow remains proactive with forward-thinking approaches that help property owners stay compliant while reducing long-term energy costs.
  • Performance-Driven Installation Process
    Sun Glow focuses on long-term system performance through a structured and detailed approach.
  • Certified Technicians & Ongoing Training
    Sun Glow technicians maintain NATE (North American Technician Excellence) certification, ensuring advanced expertise in HVAC diagnostics and system optimization.
  • Experience, Leadership & Generational Trust
    Over decades of service, the company has built strong relationships with Portland-area clients, including second- and third-generation customers who rely on consistent service and trusted expertise.

The Future Is Bright

Contact our Team Today
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